Posted by **Lisa** on Friday, September 11, 2009 at 1:30pm.

A customer wants to mail a package.

The postal clerk determines the cost of the package to be $18.95, but only

6¢ and 9¢ stamps are available. Can the available stamps be used for the exact amount of postage for the package?

Why or why not?

- Math -
**Ms. Sue**, Friday, September 11, 2009 at 1:34pm
Please note that your subject is NOT "college."

- college -
**bobpursley**, Friday, September 11, 2009 at 1:45pm
divisors of 18.95 include 5;3.79 So you need to see if 3.79 can have divsors:IT turns out 379 is a prime number, and has no factors, so no possible way to make stamps from anything except a 3.79dollar stamp.

- Math -
**Rebecca**, Friday, September 11, 2009 at 2:17pm
Thank you

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